宣告“欧洲共同体”发展为“欧洲联盟”的是:
A.罗马条约
B.布鲁塞尔条约
C.马斯特利赫特条约
D.阿姆斯特丹条约
参考答案:C
下列有关激光焊接的说法,哪项是错误的()。
A.焊件无需包埋
B.焊接时无需焊媒
C.无污染
D.磁场对光束无任何干扰
E.它属于压力焊
Which of the following would most likely indicate deterioration of a firm's working capital management()
A. Increased asset turnover.
B. An increase in days of payables outstanding.
C. An increase in days of receivables outstanding.